Sudoku: src/test/java/de/uapcore/sudoku/SolverTest.java@07b9adaed78e (annotated)

src/test/java/de/uapcore/sudoku/SolverTest.java@07b9adaed78e (annotated)

src/test/java/de/uapcore/sudoku/SolverTest.java

Tue, 28 Jul 2020 14:44:48 +0200

author: Mike Becker <universe@uap-core.de>
date: Tue, 28 Jul 2020 14:44:48 +0200
changeset 23: 07b9adaed78e
permissions: -rw-r--r--

adds solver test

 package de.uapcore.sudoku;
 import org.junit.jupiter.api.Test;
 import static org.junit.jupiter.api.Assertions.*;
 class SolverTest {
     private int[] createTestdata() {
         return new int[]{
 ,1,0,9,0,0,8,0,0,
 ,0,0,0,0,8,0,0,4,
 ,0,5,0,0,0,7,0,0,
 ,9,0,0,6,0,0,0,8,
 ,0,0,2,0,7,0,0,0,
 ,0,0,0,3,0,0,6,0,
 ,0,2,0,0,0,5,0,3,
 ,0,0,4,0,0,0,0,0,
 ,0,6,0,0,2,0,1,0};
     }
     private int[] createTestdataSolved() {
         return new int[]{
 ,1,7,9,2,5,8,3,6,
 ,2,9,6,7,8,1,5,4,
 ,8,5,3,4,1,7,9,2,
 ,9,1,5,6,4,3,7,8,
 ,6,3,2,8,7,9,4,1,
 ,7,4,1,3,9,2,6,5,
 ,4,2,7,1,6,5,8,3,
 ,5,8,4,9,3,6,2,7,
 ,3,6,8,5,2,4,1,9};
     }
     private Field createTestField(int[] testdata) {
         final var field = new Field();
         for (int x = 0 ; x < 9 ; x++) {
             for (int y = 0 ; y < 9 ; y++) {
                 field.setCellValue(x, y, testdata[x+9*y]);
             }
         }
         return field;
     }
     @Test
     void solveSuccess() {
         final var field = createTestField(createTestdata());
         final var solvedField = createTestField(createTestdataSolved());
         assertTrue(new Solver().solve(field));
         for (int x = 0 ; x < 9 ; x++) {
             for (int y = 0 ; y < 9 ; y++) {
                 assertEquals(solvedField.getCellValue(x, y), field.getCellValue(x, y));
             }
         }
     }
     @Test
     void solvingSetsModifiedStates() {
         final var originalField = createTestField(createTestdata());
         final var field = createTestField(createTestdata());
         assertTrue(new Solver().solve(field));
         for (int x = 0 ; x < 9 ; x++) {
             for (int y = 0 ; y < 9 ; y++) {
                 if (originalField.isCellEmpty(x, y)) {
                     assertTrue(field.isCellModified(x, y));
                 } else {
                     assertFalse(field.isCellModified(x, y));
                 }
             }
         }
     }
     @Test
     void checkSuccess() {
         final var field = createTestField(createTestdata());
         assertTrue(new Solver().check(field));
         assertFalse(field.isAnyCellModified());
     }
     @Test
     void solveFail() {
         final var originalField = createTestField(createTestdata());
         final var field = createTestField(createTestdata());
         originalField.setCellValue(0, 3, 5);
         field.setCellValue(0, 3, 5);
         assertTrue(new Solver().check(field));
         assertFalse(new Solver().solve(field));
         for (int x = 0 ; x < 9 ; x++) {
             for (int y = 0 ; y < 9 ; y++) {
                 if (originalField.isCellEmpty(x, y)) {
                     assertTrue(field.isCellEmpty(x, y));
                 } else {
                     assertFalse(field.isCellEmpty(x, y));
                     assertFalse(field.isCellModified(x, y));
                 }
             }
         }
     }
     @Test
     void checkFail() {
         final var field = createTestField(createTestdata());
         field.setCellValue(4, 6, 4);
         assertFalse(new Solver().check(field));
         assertFalse(field.isAnyCellModified());
     }
 }

Mercurial > hg > Sudoku / annotate

src/test/java/de/uapcore/sudoku/SolverTest.java@07b9adaed78e (annotated)

src/test/java/de/uapcore/sudoku/SolverTest.java